Specification Brand : RubberBeltsOnline BulletPoint : Pulley Sheave ID: 1" OD: 2.7" 2AK271 2 Grooves BulletPoint1 : 4.95" Outside Diameter, Fits 5/8" Shaft Diameter. 3/16 Keyway Is Standard for 5/8" Shaft, 56 or 56H Frame Motors. Keyway Not Included. BulletPoint2 : This Cast Iron Single Groove Pulley Takes 1 Belt and Includes the "H" Style Tapered Bushing. BulletPoint3 : Groove Will Fit 1/2" Top Width V-Belt Types Belts ( A / 4L / AK / 4LK / AX ) BulletPoint4 : The Tapered Bushing Locks onto Your Motor Shaft as You Screw Down the Lock Screws, Resulting in a Super Tight Industrial Tapered Lock. BulletPoint5 : Motor Pulley Is Made of Cast Iron, The H Bushing Is Made from C45 Steel with Black Oxide Finish. ItemName : 2AK27 Bore 1" Two Grooves Sheave Solid Pulley with OD: 2.7" inch ID: 1" Inch use for V-Belts Class A 4L 2AK271-2AK27 1" ItemTypeKeyword : v-belt-pulleys Manufacturer : RBO Material : iron cast_iron ModelNumber : AK51H WITH 5/8" BUSHING NumberOfItems : 1 PartNumber : 2AK27-1-Pulley ProductDescription : 2AK27 1" Two Grooves Sheave Solid Pulley with OD 2.7" inch ID 1" Inch use for V-belts class A 4L 2AK271 2AK27 1" Sheave Solid Pulley with OD: 2.7" inch ID: 1" Inch use for V-belts class A 4L 2AK271 Outside diameter: 2.7" inch Bore: 1" inch Belt section size: A ,4L, AX 2 Grooves One pulley Hex set screws keyway : 3/16 X 3/32 2AK27-1" Cast iron 2AK271 ProductSiteLaunchDate : 2023-07-13T17:00:41.653Z PulleyType : v_belt Size : 5/8" Shaft / 0.625 Bore Style : AK51H